Both range and its standard deviation are calculated according to surface energy approximation and mean energy approximation.
用表面能量近似和平均能量近似从背散射谱上计算了射程深度和射程分布的标准偏差。
What we've learned so far is as a first approximation, what we want to do is put the atom with the lowest ionization energy in the middle here.
我们之前所学的可以作为第一近似，我们要做的是把电离能，最低的原子放在中间。
So momentum is never exactly conserved, and kinetic energy is never exactly conserved either, so it's only an approximation.
动量并不严格守恒，而动能也从不会，完全守恒，它只是一种近似。
The Parabolic Equation method (PE) is an approximation of the wave equation, which models energy propagating in a cone centred on a preferred direction, the paraxial direction.
抛物线方程（PE）是波动方程的一种近似形式，它假设电磁波能量在沿着抛物线轴向的锥形区域内传播。
In this paper, a new model reduction method is developed from the viewpoint of optimal approximation to the energy.
本文从能量最优逼近的角度论述了一种新的模型降阶方法。
The approximation of the shell model in atomic structure had been assayed with discussion about the wave funtion, atomic energy and the radiant transition in this paper.
本文通过对波函数、原子能量、辐射跃迁等方面的讨论，分析了原子结构壳层模型的近似性。
Under the mean-field approximation, the free-energy functional of binary mixtures of star-like polymers is derived.
在平均场近似下求得了星型高分子共混体系的混合自由能及其相分离动力学方程。
The coupled cluster method is improved with the random phase approximation (RPA) to calculate vacuum wave function and vacuum energy of 2 + 1-d SU (2) lattice gauge theory.
采用无规相近似(RPA)耦合集团展开方法，计算出2 + 1维su(2)格点规范场的三到六阶真空波函数和真空能量。
Within the effective mass approximation and the perturbation method, the electron and hole ground-state energy in a magnetic field in the rectangular quantum wire are calculated.
在有效质量近似下，利用微扰理论研究了矩形量子线中电子和空穴的基态能量。
There are two methods to take account of the contribution of negative energy states in the relativistic random phase approximation.
在相对论无规位相近似中，有两种顾及负能态贡献的方法。
In addition, the flight path optimization algorithm based on energy state approximation is summarized.
而且，总结了基于能量状态近似法的飞行轨迹优化算法。
The paper analyse non-adiabatic modification of energy transition and dynamic evolution for two-level atom in cavity with quantum high order adiabatic approximation (HOAA).
详尽地研究了驻波腔场中两能级原子运动的能量转移和动力学演化的非绝热修正。
The energy spectrum of the electron and hole is calculated using the transfer matrix formalism in the adiabatic approximation.
在绝热近似条件下，采用传递矩阵方法计算了电子和空穴的能谱。
As conducting polymers belong to the system of wide energy band, the SSH model in a state of tight-binding approximation is too crude.
由于导电高分子是宽能带体系；对于该体系来说，紧束缚近似下的SSH模型是过于粗糙的。
This paper USES the principle of energy to obtain the approximate solutions for the cable-stayed Bridges. The method of successive approximation has been applied to the analyses of the actual bridge.
本文采用能量原理，导出斜拉桥的近似解答，并利用逐次渐近法对一座实际桥梁进行数值计算。
The orientational entropy term, in the mean field approximation form, is replaced by the one including the molecular short range correlations, so a new free energy expression is obtained.
用包括了分子短程关联的取向熵代替原来平均场形式的取向熵项，得到新的自由能表示。
The state-to-state rotational energy transfer rate constants have been determined from the experimental spectra by means of the rate equations under single collision approximation.
用以转移能量为基础的指数和幂指数能隙模型，对碰撞弛豫态分布进行计算机模拟，并从计算值与实验值的比较讨论了能隙模型存在的不足。
The state-to-state rotational energy transfer rate constants have been determined from the experimental spectra by means of the rate equations under single collision approximation.
用以转移能量为基础的指数和幂指数能隙模型，对碰撞弛豫态分布进行计算机模拟，并从计算值与实验值的比较讨论了能隙模型存在的不足。
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